/**  
* Copyright (c) 2008, Noel Lynch All rights reserved. Redistribution and use  
* in source and binary forms, with or without modification, are permitted  
* provided that the following conditions are met: Redistributions of source  
* code must retain the above copyright notice, this list of conditions and the  
* following disclaimer. Redistributions in binary form must reproduce the above  
* copyright notice, this list of conditions and the following disclaimer in the  
* documentation and/or other materials provided with the distribution. Neither  
* the name of Noel Lynch nor the names of contributors may be used to  
* endorse or promote products derived from this software without specific prior  
* written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR  
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,  
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;  
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,  
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR  
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF  
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
*/
// Apr 30, 2009

package com.sceneworker.editors.terraincreator.heightmaps;

import java.awt.CardLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Hashtable;

import javax.swing.JComboBox;
import javax.swing.JPanel;

import com.jmex.terrain.util.AbstractHeightMap;
import com.myjavautils.swing.MigLayoutUtils;
import com.myjavautils.swing.SwingComponentFactory;

public class HeightMapCreatorPanel extends JPanel {

	private static final String IMAGE_BASED_HEIGHT_MAP = "Image Based Height Map";
	private static final String FAULT_FRACTAL_HEIGHT_MAP = "Fault Fractal Height Map";
	private static final String HILL_HEIGHT_MAP = "Hill Height Map";
	private static final String MID_POINT_HEIGHT_MAP = "Mid Point Height Map";
	
	private		JPanel									mcl_hmapContentPanel;
	private		Hashtable<String, IGenerateHeightMap>	mcla_hmapPanels;
	private		String									mstr_curSel;
	
	public HeightMapCreatorPanel() {
		mcla_hmapPanels = new Hashtable<String, IGenerateHeightMap>();
		MigLayoutUtils.asMigLayout(this);
		
		String		lstra_hmaps[] = { MID_POINT_HEIGHT_MAP, HILL_HEIGHT_MAP, FAULT_FRACTAL_HEIGHT_MAP, IMAGE_BASED_HEIGHT_MAP };
		JComboBox	lcl_hmapCombo = SwingComponentFactory.makeAComboBox(lstra_hmaps);
		lcl_hmapCombo.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent e) {
				switchHeightMap((String)e.getItem());
			}
		});
		add(lcl_hmapCombo, "wrap");
		
		mcl_hmapContentPanel = new JPanel();
		mcl_hmapContentPanel.setLayout(new CardLayout());
		
		addPanel(MidPointHeightMapPanel.class, MID_POINT_HEIGHT_MAP);
		addPanel(HillHeightMapPanel.class, HILL_HEIGHT_MAP);
		addPanel(FaultFractalHightMapPanel.class, FAULT_FRACTAL_HEIGHT_MAP);
		addPanel(ImageBasedHeightMapPanel.class, IMAGE_BASED_HEIGHT_MAP);
		mstr_curSel = MID_POINT_HEIGHT_MAP;
		
		add(mcl_hmapContentPanel);
		
	}
	
	public	AbstractHeightMap	generateHeightMap() {
		IGenerateHeightMap		lcl_hmap = mcla_hmapPanels.get(mstr_curSel);
		
		return lcl_hmap.generateHeightMap();
	}
	
	private		void	addPanel(Class cl_class, String str_name) {
		try {
			Object		lcl_obj = cl_class.newInstance();
			mcl_hmapContentPanel.add((JPanel)lcl_obj, str_name);
			mcla_hmapPanels.put(str_name, (IGenerateHeightMap)lcl_obj);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private		void	switchHeightMap(String str_hMap) {
		CardLayout	lcl_layout = (CardLayout)mcl_hmapContentPanel.getLayout();
		lcl_layout.show(mcl_hmapContentPanel, str_hMap);
		mstr_curSel = str_hMap;
	}

}
